Global Patent Index - EP 0412242 A1

EP 0412242 A1 19910213 - Optical fiber.

Title (en)

Optical fiber.

Title (de)

Optische Faser.

Title (fr)

Fibre optique.

Publication

EP 0412242 A1 19910213 (DE)

Application

EP 90105427 A 19900322

Priority

DE 3926592 A 19890811

Abstract (en)

In an optical fibre having a coating of plastic which is arranged over the optical waveguide, it is provided that a thin polymer layer (4) of thickness 1 mu m to 125 mu m and low permeability to water vapour is arranged directly on a primary or secondary protective layer. <IMAGE>

Abstract (de)

Bei einer optischen Faser mit einer Beschichtung aus Kunststoff, welche über dem Lichtwellenleiter angeordnet ist, ist vorgesehen, daß direkt auf Primär- oder Sekundärschutzschicht eine dünne Polymerschicht (4) von 1 µm bis 125 µm Stärke und geringer Wasserdampfdurchlässigkeit angeordnet ist.

IPC 1-7

G02B 6/16; G02B 6/44

IPC 8 full level

C03C 25/10 (2006.01); C03C 25/1065 (2018.01); G02B 6/44 (2006.01)

CPC (source: EP)

C03C 25/1065 (2013.01); G02B 6/443 (2013.01)

Citation (search report)

  • [X] DE 3710240 A1 19881006 - SIEMENS AG [DE]
  • [A] EP 0135993 A1 19850403 - STANDARD TELEPHONES CABLES LTD [GB]
  • [A] FR 2624788 A1 19890623 - GEN ELECTRIC [US]
  • [A] EP 0183853 A1 19860611 - MITSUBISHI RAYON CO [JP]
  • [X] EP 0162472 A2 19851127 - SUMITOMO CHEMICAL CO [JP]
  • [A] EP 0097325 A2 19840104 - SUMITOMO CHEMICAL CO [JP]
  • [X] PATENT ABSTRACTS OF JAPAN Band 10, Nr. 316 (P-510)(2372), 28. Oktober 1986; & JP-A-61126511 (SUMITOMO ELECTRIC IND. LTD.) 14.06.1986
  • [A] PATENT ABSTRACTS OF JAPAN Band 10, Nr. 330 (P-514)(2386), 11. November 1986; & JP-A-61137105 (HITACHI CABLE LTD.) 24.06.1986
  • [A] PATENT ABSTRACTS OF JAPAN Band 11, Nr. 106 (C-414), 3. April 1987; & JP-A-61256949 (NIPPON ELECTRIC GLASS CO. LTD.) 14.11.1986
  • [A] PATENT ABSTRACTS OF JAPAN Band 11, Nr. 365 (C-460), 27. November 1987; & JP-A-62135520 (NTT) 18.06.1987

Designated contracting state (EPC)

DE ES FR GB IT NL

DOCDB simple family (publication)

EP 0412242 A1 19910213; DD 298166 A5 19920206; DE 3926592 A1 19910214

DOCDB simple family (application)

EP 90105427 A 19900322; DD 34329790 A 19900807; DE 3926592 A 19890811